STEER/AliCDBManager.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
   5  * Contributors are mentioned in the code where appropriate.              *
   6  *                                                                        *
   7  * Permission to use, copy, modify and distribute this software and its   *
   8  * documentation strictly for non-commercial purposes is hereby granted   *
   9  * without fee, provided that the above copyright notice appears in all   *
  10  * copies and that both the copyright notice and this permission notice   *
  11  * appear in the supporting documentation. The authors make no claims     *
  12  * about the suitability of this software for any purpose. It is          *
  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  15 //-------------------------------------------------------------------------
  16 //   Implementation of AliCDBManager and AliCDBParam classe
  17 //   Author: Alberto Colla
  18 //   e-mail: Alberto.Colla@cern.ch
  19 //-------------------------------------------------------------------------
  20
  21 #include "AliCDBManager.h"
  22 #include "AliCDBStorage.h"
  23 #include "AliLog.h"
  24 #include "AliCDBDump.h"
  25 #include "AliCDBLocal.h"
  26 #include "AliCDBGrid.h"
  27 #include "AliCDBEntry.h"
  28 #include "AliCDBHandler.h"
  29
  30 #include <TObjString.h>
  31 #include <TSAXParser.h>
  32 #include <TFile.h>
  33 #include <TUUID.h>
  34 #include <TGrid.h>
  35
  36 ClassImp(AliCDBParam)
  37
  38 ClassImp(AliCDBManager)
  39
  40 //TODO OCDB and Reference folder should not be fully hardcoded but built from run number (or year/LHC period)
  41 TString AliCDBManager::fgkCondUri("alien://folder=/alice/cern.ch/user/a/aliprod/testCDB/CDB?user=aliprod");
  42 TString AliCDBManager::fgkRefUri("alien://folder=/alice/cern.ch/user/a/aliprod/testCDB/Reference?user=aliprod");
  43 TString AliCDBManager::fgkMCIdealStorage("alien://folder=/alice/simulation/2008/v4-15-Release/Ideal");
  44 TString AliCDBManager::fgkMCFullStorage("alien://folder=/alice/simulation/2008/v4-15-Release/Full");
  45 TString AliCDBManager::fgkMCResidualStorage("alien://folder=/alice/simulation/2008/v4-15-Release/Residual");
  46 TString AliCDBManager::fgkOCDBFolderXMLfile("alien:///alice/data/OCDBFoldervsRunRange.xml");
  47 AliCDBManager* AliCDBManager::fgInstance = 0x0;
  48
  49 //_____________________________________________________________________________
  50 AliCDBManager* AliCDBManager::Instance(TMap *entryCache, Int_t run)
  51 {
  52 // returns AliCDBManager instance (singleton)
  53
  54         if (!fgInstance) {
  55                 fgInstance = new AliCDBManager();
  56                 if (!entryCache)
  57                   fgInstance->Init();
  58                 else
  59                   fgInstance->InitFromCache(entryCache,run);
  60         }
  61
  62         return fgInstance;
  63 }
  64
  65 //_____________________________________________________________________________
  66 void AliCDBManager::Init() {
  67 // factory registering
  68
  69         RegisterFactory(new AliCDBDumpFactory());
  70         RegisterFactory(new AliCDBLocalFactory());
  71         // AliCDBGridFactory is registered only if AliEn libraries are enabled in Root
  72         if(!gSystem->Exec("root-config --has-alien |grep yes 2>&1 > /dev/null")){ // returns 0 if yes
  73                 AliInfo("AliEn classes enabled in Root. AliCDBGrid factory registered.");
  74                 RegisterFactory(new AliCDBGridFactory());
  75                 fCondParam = CreateParameter(fgkCondUri);
  76                 fRefParam = CreateParameter(fgkRefUri);
  77         }
  78
  79         InitShortLived();
  80 }
  81
  82 //_____________________________________________________________________________
  83 void AliCDBManager::InitFromCache(TMap *entryCache, Int_t run) {
  84 // initialize manager from existing cache
  85 // used on the slaves in case of parallel reconstruction
  86   SetRun(run);
  87
  88   TIter iter(entryCache->GetTable());
  89   TPair* pair = 0;
  90
  91   while((pair = dynamic_cast<TPair*> (iter.Next()))){
  92     fEntryCache.Add(pair->Key(),pair->Value());
  93   }
  94   // fEntry is the new owner of the cache
  95   fEntryCache.SetOwnerKeyValue(kTRUE,kTRUE);
  96   entryCache->SetOwnerKeyValue(kFALSE,kFALSE);
  97   AliInfo(Form("%d cache entries have been loaded",fEntryCache.GetEntries()));
  98 }
  99
 100 //_____________________________________________________________________________
 101 void AliCDBManager::Destroy() {
 102 // delete ALCDBManager instance and active storages
 103
 104         if (fgInstance) {
 105                 //fgInstance->Delete();
 106                 delete fgInstance;
 107                 fgInstance = 0x0;
 108         }
 109 }
 110
 111 //_____________________________________________________________________________
 112 AliCDBManager::AliCDBManager():
 113   TObject(),
 114   fFactories(),
 115   fActiveStorages(),
 116   fSpecificStorages(),
 117   fEntryCache(),
 118   fIds(0),
 119   fStorageMap(0),
 120   fShortLived(0),
 121   fDefaultStorage(NULL),
 122   fDrainStorage(NULL),
 123   fCondParam(0),
 124   fRefParam(0),
 125   fRun(-1),
 126   fCache(kTRUE),
 127   fLock(kFALSE),
 128   fRaw(kFALSE),
 129   fStartRunLHCPeriod(-1),
 130   fEndRunLHCPeriod(-1),
 131   fLHCPeriod(""),
 132   fKey(0)
 133 {
 134 // default constuctor
 135         fFactories.SetOwner(1);
 136         fActiveStorages.SetOwner(1);
 137         fSpecificStorages.SetOwner(1);
 138         fEntryCache.SetName("CDBEntryCache");
 139         fEntryCache.SetOwnerKeyValue(kTRUE,kTRUE);
 140
 141         fStorageMap = new TMap();
 142         fStorageMap->SetOwner(1);
 143         fIds = new TList();
 144         fIds->SetOwner(1);
 145 }
 146
 147 //_____________________________________________________________________________
 148 AliCDBManager::~AliCDBManager() {
 149 // destructor
 150         ClearCache();
 151         DestroyActiveStorages();
 152         fFactories.Delete();
 153         fDrainStorage = 0x0;
 154         fDefaultStorage = 0x0;
 155         delete fStorageMap; fStorageMap = 0;
 156         delete fIds; fIds = 0;
 157         delete fCondParam;
 158         delete fRefParam;
 159         delete fShortLived; fShortLived = 0x0;
 160 }
 161
 162 //_____________________________________________________________________________
 163 void AliCDBManager::PutActiveStorage(AliCDBParam* param, AliCDBStorage* storage){
 164 // put a storage object into the list of active storages
 165
 166         fActiveStorages.Add(param, storage);
 167         AliDebug(1, Form("Active storages: %d", fActiveStorages.GetEntries()));
 168 }
 169
 170 //_____________________________________________________________________________
 171 void AliCDBManager::RegisterFactory(AliCDBStorageFactory* factory) {
 172 // add a storage factory to the list of registerd factories
 173
 174         if (!fFactories.Contains(factory)) {
 175                 fFactories.Add(factory);
 176         }
 177 }
 178
 179 //_____________________________________________________________________________
 180 Bool_t AliCDBManager::HasStorage(const char* dbString) const {
 181 // check if dbString is a URI valid for one of the registered factories
 182
 183         TIter iter(&fFactories);
 184
 185         AliCDBStorageFactory* factory=0;
 186         while ((factory = (AliCDBStorageFactory*) iter.Next())) {
 187
 188                 if (factory->Validate(dbString)) {
 189                         return kTRUE;
 190                 }
 191         }
 192
 193         return kFALSE;
 194 }
 195
 196 //_____________________________________________________________________________
 197 AliCDBParam* AliCDBManager::CreateParameter(const char* dbString) const {
 198 // create AliCDBParam object from URI string
 199
 200         TIter iter(&fFactories);
 201
 202         AliCDBStorageFactory* factory=0;
 203         while ((factory = (AliCDBStorageFactory*) iter.Next())) {
 204                 AliCDBParam* param = factory->CreateParameter(dbString);
 205                 if(param) return param;
 206         }
 207
 208         return NULL;
 209 }
 210
 211 //_____________________________________________________________________________
 212 AliCDBStorage* AliCDBManager::GetStorage(const char* dbString) {
 213 // get storage object from URI string
 214
 215         AliCDBParam* param = CreateParameter(dbString);
 216         if (!param) {
 217                 AliError(Form("Failed to activate requested storage! Check URI: %s", dbString));
 218                 return NULL;
 219         }
 220
 221         AliCDBStorage* aStorage = GetStorage(param);
 222
 223         delete param;
 224         return aStorage;
 225 }
 226
 227 //_____________________________________________________________________________
 228 AliCDBStorage* AliCDBManager::GetStorage(const AliCDBParam* param) {
 229 // get storage object from AliCDBParam object
 230
 231         // if the list of active storages already contains
 232         // the requested storage, return it
 233         AliCDBStorage* aStorage = GetActiveStorage(param);
 234         if (aStorage) {
 235                 return aStorage;
 236         }
 237
 238         // if lock is ON, cannot activate more storages!
 239         if(fLock) {
 240                 if (fDefaultStorage) {
 241                         AliFatal("Lock is ON, and default storage is already set: "
 242                                 "cannot reset it or activate more storages!");
 243                 }
 244         }
 245
 246         TIter iter(&fFactories);
 247
 248         AliCDBStorageFactory* factory=0;
 249
 250         // loop on the list of registered factories
 251         while ((factory = (AliCDBStorageFactory*) iter.Next())) {
 252
 253                 // each factory tries to create its storage from the parameter
 254                 aStorage = factory->Create(param);
 255                 if (aStorage) {
 256                         PutActiveStorage(param->CloneParam(), aStorage);
 257                         aStorage->SetURI(param->GetURI());
 258                         if(fRun >= 0) {
 259                                 if(aStorage->GetType() == "alien"){
 260                                         aStorage->QueryCDB(fRun);
 261                                 } else {
 262                                         AliDebug(2,
 263                                                 "Skipping query for valid files, it is used only in grid...");
 264                                 }
 265                         }
 266                         return aStorage;
 267                 }
 268         }
 269
 270         AliError(Form("Failed to activate requested storage! Check URI: %s", param->GetURI().Data()));
 271
 272         return NULL;
 273 }
 274
 275 //_____________________________________________________________________________
 276 AliCDBStorage* AliCDBManager::GetActiveStorage(const AliCDBParam* param) {
 277 // get a storage object from the list of active storages
 278
 279         return dynamic_cast<AliCDBStorage*> (fActiveStorages.GetValue(param));
 280 }
 281
 282 //_____________________________________________________________________________
 283 TList* AliCDBManager::GetActiveStorages() {
 284 // return list of active storages
 285 // user has responsibility to delete returned object
 286
 287         TList* result = new TList();
 288
 289         TIter iter(fActiveStorages.GetTable());
 290         TPair* aPair=0;
 291         while ((aPair = (TPair*) iter.Next())) {
 292                 result->Add(aPair->Value());
 293         }
 294
 295         return result;
 296 }
 297
 298 //_____________________________________________________________________________
 299 void AliCDBManager::SetDrain(const char* dbString) {
 300 // set drain storage from URI string
 301
 302         fDrainStorage = GetStorage(dbString);
 303 }
 304
 305 //_____________________________________________________________________________
 306 void AliCDBManager::SetDrain(const AliCDBParam* param) {
 307 // set drain storage from AliCDBParam
 308
 309         fDrainStorage = GetStorage(param);
 310 }
 311
 312 //_____________________________________________________________________________
 313 void AliCDBManager::SetDrain(AliCDBStorage* storage) {
 314 // set drain storage from another active storage
 315
 316         fDrainStorage = storage;
 317 }
 318
 319 //_____________________________________________________________________________
 320 Bool_t AliCDBManager::Drain(AliCDBEntry *entry) {
 321 // drain retrieved object to drain storage
 322
 323         AliDebug(2, "Draining into drain storage...");
 324         return fDrainStorage->Put(entry);
 325 }
 326
 327 //____________________________________________________________________________
 328 void AliCDBManager::SetDefaultStorage(const char* dbString) {
 329 // sets default storage from URI string
 330
 331         // checking whether we are in the raw case
 332         TString dbStringTemp(dbString);
 333         if (dbStringTemp == "raw://")
 334         {
 335                 fRaw = kTRUE;
 336                 AliInfo("Setting the run-number will set the corresponding OCDB for raw data reconstruction.");
 337                 AliInfo("Connecting to the grid...");
 338                 if(!gGrid) {
 339                         TGrid::Connect("alien://","");
 340                         if(!gGrid) {
 341                                 AliError("Connection to alien failed!");
 342                                 return;
 343                         }
 344                 }
 345                 return;
 346         }
 347
 348         AliCDBStorage* bckStorage = fDefaultStorage;
 349
 350         fDefaultStorage = GetStorage(dbString);
 351
 352         if(!fDefaultStorage) return;
 353
 354         if(bckStorage && (fDefaultStorage != bckStorage)){
 355                 AliWarning("Existing default storage replaced: clearing cache!");
 356                 ClearCache();
 357         }
 358
 359         if (fStorageMap->Contains("default")) {
 360                 delete fStorageMap->Remove(fStorageMap->GetValue("default"));
 361         }
 362         fStorageMap->Add(new TObjString("default"), new TObjString(fDefaultStorage->GetURI()));
 363 }
 364 //_____________________________________________________________________________
 365 void AliCDBManager::SetDefaultStorage(const AliCDBParam* param) {
 366 // set default storage from AliCDBParam object
 367
 368         AliCDBStorage* bckStorage = fDefaultStorage;
 369
 370         fDefaultStorage = GetStorage(param);
 371
 372         if(!fDefaultStorage) return;
 373
 374         if(bckStorage && (fDefaultStorage != bckStorage)){
 375                 AliWarning("Existing default storage replaced: clearing cache!");
 376                 ClearCache();
 377         }
 378
 379         if (fStorageMap->Contains("default")) {
 380                 delete fStorageMap->Remove(fStorageMap->GetValue("default"));
 381         }
 382         fStorageMap->Add(new TObjString("default"), new TObjString(fDefaultStorage->GetURI()));
 383 }
 384
 385 //_____________________________________________________________________________
 386 void AliCDBManager::SetDefaultStorage(AliCDBStorage* storage) {
 387 // set default storage from another active storage
 388
 389         // if lock is ON, cannot activate more storages!
 390         if(fLock) {
 391                 if (fDefaultStorage) {
 392                         AliFatal("Lock is ON, and default storage is already set: "
 393                                 "cannot reset it or activate more storages!");
 394                 }
 395         }
 396
 397         if (!storage) {
 398                 UnsetDefaultStorage();
 399                 return;
 400         }
 401
 402         AliCDBStorage* bckStorage = fDefaultStorage;
 403
 404         fDefaultStorage = storage;
 405
 406         if(bckStorage && (fDefaultStorage != bckStorage)){
 407                 AliWarning("Existing default storage replaced: clearing cache!");
 408                 ClearCache();
 409         }
 410
 411         if (fStorageMap->Contains("default")) {
 412                 delete fStorageMap->Remove(fStorageMap->GetValue("default"));
 413         }
 414         fStorageMap->Add(new TObjString("default"), new TObjString(fDefaultStorage->GetURI()));
 415 }
 416
 417 //_____________________________________________________________________________
 418 void AliCDBManager::SetDefaultStorage(const char* mcString, const char* simType) {
 419 // sets default storage for MC data
 420 // mcString MUST be "MC",
 421 // simType can be "Ideal","Residual","Full"
 422
 423         TString strmcString(mcString);
 424         TString strsimType(simType);
 425         TString dbString;
 426         if (strmcString != "MC"){
 427                 AliFatal("Method requires first string to be MC!");
 428         }
 429         else {
 430                 if (strsimType == "Ideal"){
 431                         dbString = fgkMCIdealStorage;
 432                 }
 433                 else if (strsimType == "Full"){
 434                         dbString = fgkMCFullStorage;
 435                 }
 436                 else if (strsimType == "Residual"){
 437                         dbString = fgkMCResidualStorage;
 438                 }
 439                 else {
 440                         AliFatal("Error in setting the storage for MC data, second argument MUST be either \"Ideal\" or \"Full\" or \"Residual\".");
 441                 }
 442
 443                 SetDefaultStorage(dbString.Data());
 444                 if(!fDefaultStorage) AliFatal(Form("%s storage not there! Please check!",fLHCPeriod.Data()));
 445         }
 446 }
 447 //_____________________________________________________________________________
 448 void AliCDBManager::SetDefaultStorageFromRun(Int_t run) {
 449 // set default storage from the run number - to be used only with raw data
 450
 451         // if lock is ON, cannot activate more storages!
 452         if(fLock) {
 453                 if (fDefaultStorage) {
 454                         AliFatal("Lock is ON, and default storage is already set: "
 455                                 "cannot activate default storage from run number");
 456                 }
 457         }
 458
 459         // retrieve XML file from alien
 460         if(!gGrid) {
 461             TGrid::Connect("alien://","");
 462             if(!gGrid) {
 463                 AliError("Connection to alien failed!");
 464                 return;
 465             }
 466         }
 467         TUUID uuid;
 468         TString rndname = "/tmp/";
 469         rndname += "OCDBFolderXML.";
 470         rndname += uuid.AsString();
 471         rndname += ".xml";
 472         AliDebug(2, Form("file to be copied = %s", fgkOCDBFolderXMLfile.Data()));
 473         if (!TFile::Cp(fgkOCDBFolderXMLfile.Data(), rndname.Data())) {
 474                 AliFatal(Form("Cannot make a local copy of OCDBFolder xml file in %s",rndname.Data()));
 475         }
 476         AliCDBHandler* saxcdb = new AliCDBHandler();
 477         saxcdb->SetRun(run);
 478         TSAXParser *saxParser = new TSAXParser();
 479         saxParser->ConnectToHandler("AliCDBHandler", saxcdb);
 480         saxParser->ParseFile(rndname.Data());
 481         AliInfo(Form(" LHC folder = %s", saxcdb->GetOCDBFolder().Data()));
 482         AliInfo(Form(" LHC period start run = %d", saxcdb->GetStartRunRange()));
 483         AliInfo(Form(" LHC period end run = %d", saxcdb->GetEndRunRange()));
 484         fLHCPeriod = saxcdb->GetOCDBFolder();
 485         fStartRunLHCPeriod = saxcdb->GetStartRunRange();
 486         fEndRunLHCPeriod = saxcdb->GetEndRunRange();
 487
 488         SetDefaultStorage(fLHCPeriod.Data());
 489         if(!fDefaultStorage) AliFatal(Form("%s storage not there! Please check!",fLHCPeriod.Data()));
 490
 491 }
 492
 493 //_____________________________________________________________________________
 494 void AliCDBManager::UnsetDefaultStorage() {
 495 // Unset default storage
 496
 497         // if lock is ON, action is forbidden!
 498         if(fLock) {
 499                 if (fDefaultStorage) {
 500                         AliFatal("Lock is ON: cannot unset default storage!");
 501                 }
 502         }
 503
 504         if (fDefaultStorage) {
 505                 AliWarning("Clearing cache!");
 506                 ClearCache();
 507         }
 508
 509         fRun = fStartRunLHCPeriod = fEndRunLHCPeriod = -1;
 510         fRaw = kFALSE;
 511
 512         fDefaultStorage = 0x0;
 513 }
 514
 515 //_____________________________________________________________________________
 516 void AliCDBManager::SetSpecificStorage(const char* calibType, const char* dbString) {
 517 // sets storage specific for detector or calibration type (works with AliCDBManager::Get(...))
 518
 519         AliCDBParam *aPar = CreateParameter(dbString);
 520         if(!aPar) return;
 521         SetSpecificStorage(calibType, aPar);
 522         delete aPar;
 523 }
 524
 525 //_____________________________________________________________________________
 526 void AliCDBManager::SetSpecificStorage(const char* calibType, AliCDBParam* param) {
 527 // sets storage specific for detector or calibration type (works with AliCDBManager::Get(...))
 528 // Default storage should be defined prior to any specific storages, e.g.:
 529 // AliCDBManager::instance()->SetDefaultStorage("alien://");
 530 // AliCDBManager::instance()->SetSpecificStorage("TPC/*","local://DB_TPC");
 531 // AliCDBManager::instance()->SetSpecificStorage("*/Align/*","local://DB_TPCAlign");
 532 // calibType must be a valid CDB path! (3 level folder structure)
 533
 534
 535         if(!fDefaultStorage && !fRaw) {
 536                 AliError("Please activate a default storage first!");
 537                 return;
 538         }
 539
 540
 541         AliCDBPath aPath(calibType);
 542         if(!aPath.IsValid()){
 543                 AliError(Form("Not a valid path: %s", calibType));
 544                 return;
 545         }
 546
 547         TObjString *objCalibType = new TObjString(aPath.GetPath());
 548         if(fSpecificStorages.Contains(objCalibType)){
 549                 AliWarning(Form("Storage \"%s\" already activated! It will be replaced by the new one",
 550                                         calibType));
 551                 AliCDBParam *checkPar = dynamic_cast<AliCDBParam*> (fSpecificStorages.GetValue(calibType));
 552                 if(checkPar) delete checkPar;
 553                 delete fSpecificStorages.Remove(objCalibType);
 554         }
 555         AliCDBStorage *aStorage = GetStorage(param);
 556         if(!aStorage) return;
 557
 558         fSpecificStorages.Add(objCalibType, param->CloneParam());
 559
 560         if(fStorageMap->Contains(objCalibType)){
 561                 delete fStorageMap->Remove(objCalibType);
 562         }
 563         fStorageMap->Add(objCalibType->Clone(), new TObjString(param->GetURI()));
 564
 565 }
 566
 567 //_____________________________________________________________________________
 568 AliCDBStorage* AliCDBManager::GetSpecificStorage(const char* calibType) {
 569 // get storage specific for detector or calibration type
 570
 571         AliCDBPath calibPath(calibType);
 572         if(!calibPath.IsValid()) return NULL;
 573
 574         AliCDBParam *checkPar = (AliCDBParam*) fSpecificStorages.GetValue(calibPath.GetPath());
 575         if(!checkPar){
 576                 AliError(Form("%s storage not found!", calibType));
 577                 return NULL;
 578         } else {
 579                 return GetStorage(checkPar);
 580         }
 581
 582 }
 583
 584 //_____________________________________________________________________________
 585 AliCDBParam* AliCDBManager::SelectSpecificStorage(const TString& path) {
 586 // select storage valid for path from the list of specific storages
 587
 588         AliCDBPath aPath(path);
 589         if(!aPath.IsValid()) return NULL;
 590
 591         TIter iter(&fSpecificStorages);
 592         TObjString *aCalibType=0;
 593         AliCDBPath tmpPath("null/null/null");
 594         AliCDBParam* aPar=0;
 595         while((aCalibType = (TObjString*) iter.Next())){
 596                 AliCDBPath calibTypePath(aCalibType->GetName());
 597                 if(calibTypePath.Comprises(aPath)) {
 598                         if(calibTypePath.Comprises(tmpPath)) continue;
 599                         aPar = (AliCDBParam*) fSpecificStorages.GetValue(aCalibType);
 600                         tmpPath.SetPath(calibTypePath.GetPath());
 601                 }
 602         }
 603         return aPar;
 604 }
 605
 606 //_____________________________________________________________________________
 607 AliCDBEntry* AliCDBManager::Get(const AliCDBPath& path, Int_t runNumber,
 608         Int_t version, Int_t subVersion) {
 609 // get an AliCDBEntry object from the database
 610
 611         if(runNumber < 0){
 612                 // RunNumber is not specified. Try with fRun
 613                 if (fRun < 0){
 614                         AliError("Run number neither specified in query nor set in AliCDBManager! Use AliCDBManager::SetRun.");
 615                         return NULL;
 616                 }
 617                 runNumber = fRun;
 618         }
 619
 620         return Get(AliCDBId(path, runNumber, runNumber, version, subVersion));
 621 }
 622
 623 //_____________________________________________________________________________
 624 AliCDBEntry* AliCDBManager::Get(const AliCDBPath& path,
 625         const AliCDBRunRange& runRange, Int_t version,
 626         Int_t subVersion) {
 627 // get an AliCDBEntry object from the database!
 628
 629         return Get(AliCDBId(path, runRange, version, subVersion));
 630 }
 631
 632 //_____________________________________________________________________________
 633 AliCDBEntry* AliCDBManager::Get(const AliCDBId& query) {
 634 // get an AliCDBEntry object from the database
 635
 636         // check if query's path and runRange are valid
 637         // query is invalid also if version is not specified and subversion is!
 638         if (!query.IsValid()) {
 639                 AliError(Form("Invalid query: %s", query.ToString().Data()));
 640                 return NULL;
 641         }
 642
 643         // query is not specified if path contains wildcard or run range= [-1,-1]
 644         if (!query.IsSpecified()) {
 645                 AliError(Form("Unspecified query: %s",
 646                                 query.ToString().Data()));
 647                 return NULL;
 648         }
 649
 650         if(fLock && !(fRun >= query.GetFirstRun() && fRun <= query.GetLastRun()))
 651                 AliFatal("Lock is ON: cannot use different run number than the internal one!");
 652
 653         if(fCache && !(fRun >= query.GetFirstRun() && fRun <= query.GetLastRun()))
 654                 AliWarning("Run number explicitly set in query: CDB cache temporarily disabled!");
 655
 656         AliCDBEntry *entry=0;
 657
 658         // first look into map of cached objects
 659         if(fCache && query.GetFirstRun() == fRun)
 660                 entry = (AliCDBEntry*) fEntryCache.GetValue(query.GetPath());
 661
 662         if(entry) {
 663                 AliDebug(2, Form("Object %s retrieved from cache !!",query.GetPath().Data()));
 664                 return entry;
 665         }
 666
 667         if(!fDefaultStorage) {
 668                 AliError("No storage set!");
 669                 return NULL;
 670         }
 671         // Entry is not in cache -> retrieve it from CDB and cache it!!
 672         AliCDBStorage *aStorage=0;
 673         AliCDBParam *aPar=SelectSpecificStorage(query.GetPath());
 674 //      Bool_t usedDefStorage=kTRUE;
 675
 676         if(aPar) {
 677                 aStorage=GetStorage(aPar);
 678                 TString str = aPar->GetURI();
 679                 AliDebug(2,Form("Looking into storage: %s",str.Data()));
 680 //              usedDefStorage=kFALSE;
 681
 682         } else {
 683                 aStorage=GetDefaultStorage();
 684                 AliDebug(2,"Looking into default storage");
 685         }
 686
 687         entry = aStorage->Get(query);
 688
 689         if(entry && fCache && (query.GetFirstRun() == fRun)){
 690                 CacheEntry(query.GetPath(), entry);
 691         }
 692
 693         if(entry && !fIds->Contains(&entry->GetId())){
 694                 fIds->Add(entry->GetId().Clone());
 695         }
 696
 697
 698         return entry;
 699
 700 }
 701
 702 //_____________________________________________________________________________
 703 const char* AliCDBManager::GetURI(const char* path) {
 704 // return the URI of the storage where to look for path
 705
 706         if(!IsDefaultStorageSet()) return 0;
 707
 708         AliCDBParam *aPar=SelectSpecificStorage(path);
 709
 710         if(aPar) {
 711                 return aPar->GetURI().Data();
 712
 713         } else {
 714                 return GetDefaultStorage()->GetURI().Data();
 715         }
 716
 717         return 0;
 718 }
 719
 720 //_____________________________________________________________________________
 721 AliCDBId* AliCDBManager::GetId(const AliCDBPath& path, Int_t runNumber,
 722         Int_t version, Int_t subVersion) {
 723 // get the AliCDBId of the valid object from the database (does not retrieve the object)
 724 // User must delete returned object!
 725
 726         if(runNumber < 0){
 727                 // RunNumber is not specified. Try with fRun
 728                 if (fRun < 0){
 729                         AliError("Run number neither specified in query nor set in AliCDBManager! Use AliCDBManager::SetRun.");
 730                         return NULL;
 731                 }
 732                 runNumber = fRun;
 733         }
 734
 735         return GetId(AliCDBId(path, runNumber, runNumber, version, subVersion));
 736 }
 737
 738 //_____________________________________________________________________________
 739 AliCDBId* AliCDBManager::GetId(const AliCDBPath& path,
 740         const AliCDBRunRange& runRange, Int_t version,
 741         Int_t subVersion) {
 742 // get the AliCDBId of the valid object from the database (does not retrieve the object)
 743 // User must delete returned object!
 744
 745         return GetId(AliCDBId(path, runRange, version, subVersion));
 746 }
 747
 748 //_____________________________________________________________________________
 749 AliCDBId* AliCDBManager::GetId(const AliCDBId& query) {
 750 // get the AliCDBId of the valid object from the database (does not retrieve the object)
 751 // User must delete returned object!
 752
 753         if(!fDefaultStorage) {
 754                 AliError("No storage set!");
 755                 return NULL;
 756         }
 757
 758         // check if query's path and runRange are valid
 759         // query is invalid also if version is not specified and subversion is!
 760         if (!query.IsValid()) {
 761                 AliError(Form("Invalid query: %s", query.ToString().Data()));
 762                 return NULL;
 763         }
 764
 765         // query is not specified if path contains wildcard or run range= [-1,-1]
 766         if (!query.IsSpecified()) {
 767                 AliError(Form("Unspecified query: %s",
 768                                 query.ToString().Data()));
 769                 return NULL;
 770         }
 771
 772         if(fCache && query.GetFirstRun() != fRun)
 773                 AliWarning("Run number explicitly set in query: CDB cache temporarily disabled!");
 774
 775         AliCDBEntry* entry = 0;
 776
 777         // first look into map of cached objects
 778         if(fCache && query.GetFirstRun() == fRun)
 779                 entry = (AliCDBEntry*) fEntryCache.GetValue(query.GetPath());
 780
 781         if(entry) {
 782                 AliDebug(2, Form("Object %s retrieved from cache !!",query.GetPath().Data()));
 783                 return dynamic_cast<AliCDBId*> (entry->GetId().Clone());
 784         }
 785
 786         // Entry is not in cache -> retrieve it from CDB and cache it!!
 787         AliCDBStorage *aStorage=0;
 788         AliCDBParam *aPar=SelectSpecificStorage(query.GetPath());
 789
 790         if(aPar) {
 791                 aStorage=GetStorage(aPar);
 792                 TString str = aPar->GetURI();
 793                 AliDebug(2,Form("Looking into storage: %s",str.Data()));
 794
 795         } else {
 796                 aStorage=GetDefaultStorage();
 797                 AliDebug(2,"Looking into default storage");
 798         }
 799
 800         return aStorage->GetId(query);
 801
 802 }
 803
 804 //_____________________________________________________________________________
 805 TList* AliCDBManager::GetAll(const AliCDBPath& path, Int_t runNumber,
 806         Int_t version, Int_t subVersion) {
 807 // get multiple AliCDBEntry objects from the database
 808
 809         if(runNumber < 0){
 810                 // RunNumber is not specified. Try with fRun
 811                 if (fRun < 0){
 812                         AliError("Run number neither specified in query nor set in AliCDBManager! Use AliCDBManager::SetRun.");
 813                         return NULL;
 814                 }
 815                 runNumber = fRun;
 816         }
 817
 818         return GetAll(AliCDBId(path, runNumber, runNumber, version,
 819                         subVersion));
 820 }
 821
 822 //_____________________________________________________________________________
 823 TList* AliCDBManager::GetAll(const AliCDBPath& path,
 824         const AliCDBRunRange& runRange, Int_t version, Int_t subVersion) {
 825 // get multiple AliCDBEntry objects from the database
 826
 827         return GetAll(AliCDBId(path, runRange, version, subVersion));
 828 }
 829
 830 //_____________________________________________________________________________
 831 TList* AliCDBManager::GetAll(const AliCDBId& query) {
 832 // get multiple AliCDBEntry objects from the database
 833 // Warning: this method works correctly only for queries of the type "Detector/*"
 834 //              and not for more specific queries e.g. "Detector/Calib/*" !
 835 // Warning #2: Entries are cached, but GetAll will keep on retrieving objects from OCDB!
 836 //              To get an object from cache use Get() function
 837
 838         if(!fDefaultStorage) {
 839                 AliError("No storage set!");
 840                 return NULL;
 841         }
 842
 843         if (!query.IsValid()) {
 844                 AliError(Form("Invalid query: %s", query.ToString().Data()));
 845                 return NULL;
 846         }
 847
 848         if((fSpecificStorages.GetEntries()>0) && query.GetPath().BeginsWith('*')){
 849                 // if specific storages are active a query with "*" is ambiguous
 850                 AliError("Query too generic in this context!");
 851                 return NULL;
 852         }
 853
 854         if (query.IsAnyRange()) {
 855                 AliError(Form("Unspecified run or runrange: %s",
 856                                 query.ToString().Data()));
 857                 return NULL;
 858         }
 859
 860         if(fLock && query.GetFirstRun() != fRun)
 861                 AliFatal("Lock is ON: cannot use different run number than the internal one!");
 862
 863         AliCDBParam *aPar=SelectSpecificStorage(query.GetPath());
 864
 865         AliCDBStorage *aStorage;
 866         if(aPar) {
 867                 aStorage=GetStorage(aPar);
 868                 AliDebug(2,Form("Looking into storage: %s", aPar->GetURI().Data()));
 869
 870         } else {
 871                 aStorage=GetDefaultStorage();
 872                 AliDebug(2,"Looking into default storage");
 873         }
 874
 875         TList *result = 0;
 876         if(aStorage) result = aStorage->GetAll(query);
 877         if(!result) return 0;
 878
 879        // loop on result to check whether entries should be re-queried with specific storages
 880         if(fSpecificStorages.GetEntries()>0 && ! (fSpecificStorages.GetEntries() == 1 && aPar)) {
 881                 AliInfo("Now look into all other specific storages...");
 882
 883                 TIter iter(result);
 884                 AliCDBEntry* chkEntry=0;
 885
 886                 while((chkEntry = dynamic_cast<AliCDBEntry*> (iter.Next()))){
 887                         AliCDBId& chkId = chkEntry->GetId();
 888                         AliDebug(2, Form("Checking id %s ", chkId.GetPath().Data()));
 889                         AliCDBParam *chkPar=SelectSpecificStorage(chkId.GetPath());
 890                         if (!chkPar || aPar == chkPar) continue;
 891                         AliCDBStorage *chkStorage = GetStorage(chkPar);
 892                         AliDebug(2, Form("Found specific storage! %s", chkPar->GetURI().Data()));
 893
 894                         AliCDBEntry *newEntry=0;
 895                         chkId.SetRunRange(query.GetFirstRun(), query.GetLastRun());
 896                         chkId.SetVersion(query.GetVersion());
 897                         chkId.SetSubVersion(query.GetSubVersion());
 898
 899                         if(chkStorage) newEntry = chkStorage->Get(chkId);
 900                         if(!newEntry) continue;
 901
 902                         // object is found in specific storage: replace entry in the result list!
 903                         chkEntry->SetOwner(1);
 904                         delete result->Remove(chkEntry);
 905                         result->AddFirst(newEntry);
 906                 }
 907
 908                 Int_t nEntries = result->GetEntries();
 909                 AliInfo("After look into other specific storages, result list is:");
 910                 for(int i=0; i<nEntries;i++){
 911                         AliCDBEntry *entry = (AliCDBEntry*) result->At(i);
 912                         AliInfo(Form("%s",entry->GetId().ToString().Data()));
 913                 }
 914         }
 915
 916         // caching entries
 917         TIter iter(result);
 918         AliCDBEntry* entry=0;
 919         while((entry = dynamic_cast<AliCDBEntry*> (iter.Next()))){
 920
 921                 if(!fIds->Contains(&entry->GetId())){
 922                         fIds->Add(entry->GetId().Clone());
 923                 }
 924                 if(fCache && (query.GetFirstRun() == fRun)){
 925                         CacheEntry(entry->GetId().GetPath(), entry);
 926                 }
 927         }
 928
 929
 930         return result;
 931 }
 932
 933 //_____________________________________________________________________________
 934 Bool_t AliCDBManager::Put(TObject* object, AliCDBId& id, AliCDBMetaData* metaData, const DataType type){
 935 // store an AliCDBEntry object into the database
 936
 937         if (object==0x0) {
 938                 AliError("Null Entry! No storage will be done!");
 939                 return kFALSE;
 940         }
 941
 942         AliCDBEntry anEntry(object, id, metaData);
 943         return Put(&anEntry, type);
 944
 945 }
 946
 947
 948 //_____________________________________________________________________________
 949 Bool_t AliCDBManager::Put(AliCDBEntry* entry, DataType type){
 950 // store an AliCDBEntry object into the database
 951
 952         if(type == kPrivate && !fDefaultStorage) {
 953                 AliError("No storage set!");
 954                 return kFALSE;
 955         }
 956
 957         if (!entry){
 958                 AliError("No entry!");
 959                 return kFALSE;
 960         }
 961
 962         if (entry->GetObject()==0x0){
 963                 AliError("No valid object in CDB entry!");
 964                 return kFALSE;
 965         }
 966
 967         if (!entry->GetId().IsValid()) {
 968                 AliError(Form("Invalid entry ID: %s",
 969                         entry->GetId().ToString().Data()));
 970                 return kFALSE;
 971         }
 972
 973         if (!entry->GetId().IsSpecified()) {
 974                 AliError(Form("Unspecified entry ID: %s",
 975                         entry->GetId().ToString().Data()));
 976                 return kFALSE;
 977         }
 978
 979         AliCDBId id = entry->GetId();
 980         AliCDBParam *aPar = SelectSpecificStorage(id.GetPath());
 981
 982         AliCDBStorage *aStorage=0;
 983
 984         if(aPar) {
 985                 aStorage=GetStorage(aPar);
 986         } else {
 987                 switch(type){
 988                         case kCondition:
 989                                 aStorage = GetStorage(fCondParam);
 990                                 break;
 991                         case kReference:
 992                                 aStorage = GetStorage(fRefParam);
 993                                 break;
 994                         case kPrivate:
 995                                 aStorage = GetDefaultStorage();
 996                                 break;
 997                 }
 998         }
 999
1000         AliDebug(2,Form("Storing object into storage: %s", aStorage->GetURI().Data()));
1001
1002         Bool_t result = aStorage->Put(entry, type);
1003
1004         if(fRun >= 0) QueryCDB();
1005
1006         return result;
1007
1008
1009 }
1010
1011 //_____________________________________________________________________________
1012 void AliCDBManager::CacheEntry(const char* path, AliCDBEntry* entry)
1013 {
1014 // cache AliCDBEntry. Cache is valid until run number is changed.
1015
1016         AliCDBEntry *chkEntry = dynamic_cast<AliCDBEntry*> (fEntryCache.GetValue(path));
1017
1018         if(chkEntry) {
1019                 AliDebug(2, Form("Object %s already in cache !!", path));
1020                 return;
1021         } else {
1022                 AliDebug(2,Form("Caching entry %s", path));
1023         }
1024
1025         fEntryCache.Add(new TObjString(path), entry);
1026         AliDebug(2,Form("Cache entries: %d", fEntryCache.GetEntries()));
1027
1028 }
1029
1030 //_____________________________________________________________________________
1031 void AliCDBManager::Print(Option_t* /*option*/) const
1032 {
1033 // Print list of active storages and their URIs
1034
1035         TString output=Form("Run number = %d; ",fRun);
1036         output += "Cache is ";
1037         if(!fCache) output += "NOT ";
1038         output += Form("ACTIVE; Number of active storages: %d\n",fActiveStorages.GetEntries());
1039
1040         if(fDefaultStorage) {
1041                 output += Form("\t*** Default Storage URI: \"%s\"\n",fDefaultStorage->GetURI().Data());
1042 //              AliInfo(output.Data());
1043         }
1044         if(fSpecificStorages.GetEntries()>0) {
1045                 TIter iter(fSpecificStorages.GetTable());
1046                 TPair *aPair=0;
1047                 Int_t i=1;
1048                 while((aPair = (TPair*) iter.Next())){
1049                         output += Form("\t*** Specific storage %d: Path \"%s\" -> URI \"%s\"\n",
1050                                 i++, ((TObjString*) aPair->Key())->GetName(),
1051                                 ((AliCDBParam*) aPair->Value())->GetURI().Data());
1052                 }
1053         }
1054         if(fDrainStorage) {
1055                 output += Form("*** Drain Storage URI: %s\n",fDrainStorage->GetURI().Data());
1056         }
1057         AliInfo(output.Data());
1058 }
1059
1060 //_____________________________________________________________________________
1061 void AliCDBManager::SetRun(Int_t run)
1062 {
1063 // Sets current run number.
1064 // When the run number changes the caching is cleared.
1065
1066         if(fRun == run)
1067                 return;
1068
1069         if(fLock && fRun >= 0) {
1070                 AliFatal("Lock is ON, cannot reset run number!");
1071         }
1072
1073         fRun = run;
1074         if(fRaw){
1075                 // here the LHCPeriod xml file is parsed; the string containing the correct period is returned; the default storage is set
1076                 if (fStartRunLHCPeriod <= run && fEndRunLHCPeriod >= run){
1077                         AliInfo("LHCPeriod alien folder for current run already in memory");
1078                 }else{
1079                         SetDefaultStorageFromRun(run);
1080                         if(fEntryCache.GetEntries()!=0) ClearCache();
1081                         return;
1082                 }
1083         }
1084         ClearCache();
1085         QueryCDB();
1086 }
1087
1088 //_____________________________________________________________________________
1089 void AliCDBManager::ClearCache(){
1090 // clear AliCDBEntry cache
1091
1092         AliDebug(2, Form("Cache entries to be deleted: %d",fEntryCache.GetEntries()));
1093
1094         /*
1095         // To clean entries one by one
1096         TIter iter(fEntryCache.GetTable());
1097         TPair* pair=0;
1098         while((pair= dynamic_cast<TPair*> (iter.Next()))){
1099
1100                 TObjString* key = dynamic_cast<TObjString*> (pair->Key());
1101                 AliCDBEntry* entry = dynamic_cast<AliCDBEntry*> (pair->Value());
1102                 AliDebug(2, Form("Deleting entry: %s", key->GetName()));
1103                 if (entry) delete entry;
1104                 delete fEntryCache.Remove(key);
1105         }
1106         */
1107         fEntryCache.DeleteAll();
1108         AliDebug(2, Form("After deleting - Cache entries: %d",fEntryCache.GetEntries()));
1109 }
1110
1111 //_____________________________________________________________________________
1112 void AliCDBManager::UnloadFromCache(const char* path){
1113 // unload cached object
1114
1115         if(!fActiveStorages.GetEntries()) {
1116                 AliDebug(2, Form("No active storages. Object \"%s\" is not unloaded from cache", path));
1117                 return;
1118         }
1119
1120         AliCDBPath queryPath(path);
1121         if(!queryPath.IsValid()) return;
1122
1123         if(!queryPath.IsWildcard()) { // path is not wildcard, get it directly from the cache and unload it!
1124                 if(fEntryCache.Contains(path)){
1125                         AliDebug(2, Form("Unloading object \"%s\" from cache", path));
1126                         TObjString pathStr(path);
1127                         delete fEntryCache.Remove(&pathStr);
1128                 } else {
1129                         AliError(Form("Cache does not contain object \"%s\"!", path))
1130                 }
1131                 AliDebug(2, Form("Cache entries: %d",fEntryCache.GetEntries()));
1132                 return;
1133         }
1134
1135         // path is wildcard: loop on the cache and unload all comprised objects!
1136         TIter iter(fEntryCache.GetTable());
1137         TPair* pair = 0;
1138
1139         while((pair = dynamic_cast<TPair*> (iter.Next()))){
1140                 AliCDBPath entryPath = pair->Key()->GetName();
1141                 if(queryPath.Comprises(entryPath)) {
1142                         AliDebug(2, Form("Unloading object \"%s\" from cache", entryPath.GetPath().Data()));
1143                         TObjString pathStr(entryPath.GetPath().Data());
1144                         delete fEntryCache.Remove(&pathStr);
1145                 }
1146         }
1147         AliDebug(2,Form("Cache entries: %d",fEntryCache.GetEntries()));
1148 }
1149
1150 //_____________________________________________________________________________
1151 void AliCDBManager::DestroyActiveStorages() {
1152 // delete list of active storages
1153
1154         fActiveStorages.DeleteAll();
1155         fSpecificStorages.DeleteAll();
1156 }
1157
1158 //_____________________________________________________________________________
1159 void AliCDBManager::DestroyActiveStorage(AliCDBStorage* /*storage*/) {
1160 // destroys active storage
1161
1162 /*
1163         TIter iter(fActiveStorages.GetTable());
1164         TPair* aPair;
1165         while ((aPair = (TPair*) iter.Next())) {
1166                 if(storage == (AliCDBStorage*) aPair->Value())
1167                         delete fActiveStorages.Remove(aPair->Key());
1168                         storage->Delete(); storage=0x0;
1169         }
1170 */
1171
1172 }
1173
1174 //_____________________________________________________________________________
1175 void AliCDBManager::QueryCDB() {
1176 // query default and specific storages for files valid for fRun. Every storage loads the Ids into its list.
1177
1178         if (fRun < 0){
1179                 AliError("Run number not yet set! Use AliCDBManager::SetRun.");
1180         return;
1181         }
1182         if (!fDefaultStorage){
1183                 AliError("Default storage is not set! Use AliCDBManager::SetDefaultStorage");
1184         return;
1185         }
1186         if(fDefaultStorage->GetType() == "alien"){
1187                 fDefaultStorage->QueryCDB(fRun);
1188         } else {
1189                 AliDebug(2,"Skipping query for valid files, it used only in grid...");
1190         }
1191
1192         TIter iter(&fSpecificStorages);
1193         TObjString *aCalibType=0;
1194         AliCDBParam* aPar=0;
1195         while((aCalibType = dynamic_cast<TObjString*> (iter.Next()))){
1196                 aPar = (AliCDBParam*) fSpecificStorages.GetValue(aCalibType);
1197                 if(aPar) {
1198                         AliDebug(2,Form("Querying specific storage %s",aCalibType->GetName()));
1199                         AliCDBStorage *aStorage = GetStorage(aPar);
1200                         if(aStorage->GetType() == "alien"){
1201                                 aStorage->QueryCDB(fRun,aCalibType->GetName());
1202                         } else {
1203                                 AliDebug(2,
1204                                         "Skipping query for valid files, it is used only in grid...");
1205                         }
1206                 }
1207         }
1208 }
1209
1210 //______________________________________________________________________________________________
1211 const char* AliCDBManager::GetDataTypeName(DataType type)
1212 {
1213   // returns the name (string) of the data type
1214
1215       switch (type){
1216             case kCondition: return "Conditions";
1217             case kReference: return "Reference";
1218             case kPrivate: return "Private";
1219      }
1220      return 0;
1221
1222 }
1223
1224 //______________________________________________________________________________________________
1225 void AliCDBManager::InitShortLived()
1226 {
1227   // Init the list of short-lived objects
1228   // currently disabled
1229
1230         fShortLived=0x0;
1231
1232 //      fShortLived = new TList();
1233 //      fShortLived->SetOwner(1);
1234 //
1235 //      fShortLived->Add(new TObjString("EMCAL/Calib/Data"));
1236 //
1237 //      fShortLived->Add(new TObjString("HMPID/Calib/Nmean"));
1238 //      fShortLived->Add(new TObjString("HMPID/Calib/Qthre"));
1239 //
1240 //      fShortLived->Add(new TObjString("ITS/Calib/CalibSPD"));
1241 //
1242 //      fShortLived->Add(new TObjString("MUON/Calib/Gains"));
1243 //      fShortLived->Add(new TObjString("MUON/Calib/HV"));
1244 //      fShortLived->Add(new TObjString("MUON/Calib/Pedestals"));
1245 //
1246 //      fShortLived->Add(new TObjString("PHOS/Calib/CpvGainPedestals"));
1247 //      fShortLived->Add(new TObjString("PHOS/Calib/EmcGainPedestals"));
1248 //
1249 //      fShortLived->Add(new TObjString("PMD/Calib/Data"));
1250 //
1251 //      fShortLived->Add(new TObjString("TRD/Calib/ChamberGainFactor"));
1252 //      fShortLived->Add(new TObjString("TRD/Calib/LocalGainFactor"));
1253 //      fShortLived->Add(new TObjString("TRD/Calib/ChamberT0"));
1254 //      fShortLived->Add(new TObjString("TRD/Calib/LocalT0"));
1255 //      fShortLived->Add(new TObjString("TRD/Calib/ChamberVdrift"));
1256 //      fShortLived->Add(new TObjString("TRD/Calib/LocalVdrift"));
1257 //
1258 //      fShortLived->Add(new TObjString("ZDC/Calib/Data"));
1259
1260 }
1261
1262 //______________________________________________________________________________________________
1263 Bool_t AliCDBManager::IsShortLived(const char* path)
1264 {
1265   // returns the name (string) of the data type
1266
1267         if(!fShortLived) return kFALSE;
1268
1269         AliCDBPath aPath(path);
1270         if(!aPath.IsValid()){
1271                 AliError(Form("Not a valid path: %s", path));
1272                 return kFALSE;
1273         }
1274
1275         return fShortLived->Contains(path);
1276
1277 }
1278
1279 //______________________________________________________________________________________________
1280 ULong_t AliCDBManager::SetLock(Bool_t lock, ULong_t key){
1281   // To lock/unlock user must provide the key. A new key is provided after
1282   // each successful lock. User should always backup the returned key and
1283   // use it on next access.
1284   if (fLock == lock) return 0;  // nothing to be done
1285   if (lock) {
1286     // User wants to lock - check his identity
1287     if (fKey) {
1288       // Lock has a user - check his key
1289       if (fKey != key) {
1290         AliFatal("Wrong key provided to lock CDB. Please remove CDB lock access from your code !");
1291         return 0;
1292       }
1293     }
1294     // Provide new key
1295     fKey = gSystem->Now();
1296     fLock = kTRUE;
1297     return fKey;
1298   }
1299   // User wants to unlock - check the provided key
1300   if (key != fKey) {
1301     AliFatal("Lock is ON: wrong key provided");
1302     return 0;
1303   }
1304   fLock = kFALSE;
1305   return key;
1306 }
1307
1308 ///////////////////////////////////////////////////////////
1309 // AliCDBManager Parameter class                         //
1310 // interface to specific AliCDBParameter class           //
1311 // (AliCDBGridParam, AliCDBLocalParam, AliCDBDumpParam)  //
1312 ///////////////////////////////////////////////////////////
1313
1314 AliCDBParam::AliCDBParam():
1315   fType(),
1316   fURI()
1317 {
1318 // constructor
1319
1320 }
1321
1322 //_____________________________________________________________________________
1323 AliCDBParam::~AliCDBParam() {
1324 // destructor
1325
1326 }
1327